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首页> 外文期刊>Environmental Science & Technology >Toward Building a Physical Proxy for Gas-Phase Sulfuric Acid Concentration Based on Its Budget Analysis in Polluted Yangtze River Delta, East China
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Toward Building a Physical Proxy for Gas-Phase Sulfuric Acid Concentration Based on Its Budget Analysis in Polluted Yangtze River Delta, East China

机译：基于污染旱区污染旱区预算分析，建立气相硫酸浓度的物理代理

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摘要

Gaseous sulfuric acid (H_2SO_4) is a crucial precursor for secondary aerosol formation, particularly for new particle formation (NPF) that plays an essential role in the global number budget of aerosol particles and cloud condensation nuclei. Due to technology challenges, global-wide and long-term measurements of gaseous H_2SO_4 are currently very challenging. Empirical proxies for H_2SO_4 have been derived mainly based on short-term intensive campaigns. In this work, we performed comprehensive measurements of H_2SO_4 and related parameters in the polluted Yangtze River Delta in East China during four seasons and developed a physical proxy based on the budget analysis of gaseous H_2SO_4. Besides the photo-oxidation of SO_2, we found that primary emissions can contribute considerably, particularly at night. Dry deposition has the potential to be a non-negligible sink, in addition to condensation onto particle surfaces. Compared with the empirical proxies, the newly developed physical proxy demonstrates extraordinary stability in all the seasons and has the potential to be widely used to improve the understanding of global NPF fundamentally.
机译：气态硫酸（H_2SO_4）是用于二次气溶胶形成的关键前体，特别是对于在气溶胶颗粒和云凝结核的全球数量预算中起重要作用的新颗粒形成（NPF）。由于技术挑战，全球范围和长期测量的气态H_2SO_4目前是非常具有挑战性的。 H_2SO_4的实证代理主要基于短期密集型广告系列。在这项工作中，在四季期间，我们在华东污染的长江三角洲进行了全面测量H_2SO_4及相关参数，并根据气体H_2SO_4的预算分析开发了物理代理。除了SO_2的光氧化外，我们发现初级排放可以大大，特别是在夜间贡献。除了在颗粒表面上的冷凝之外，干沉积还具有不可忽略的水槽。与实证代理相比，新开发的物理代理在所有季节中表现出非凡的稳定性，并且有可能被广泛用于改善对全球NPF的理解。

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  • 来源
    《Environmental Science & Technology》 |2021年第10期|6665-6676|共12页
  • 作者

    Liwen Yang; Wei Nie; Yuliang Liu; Zhengning Xu; Mao Xiao; Ximeng Qi; Yuanyuan Li; Ruoxian Wang; Jun Zou; Pauli Paasonen; Chao Yan; Zheng Xu; Jiaping Wang; Chen Zhou; Jian Yuan; Jianning Sun; Xuguang Chi; Veli-Matti Kerminen; Markku Kulmala; Aijun Ding;

  • 作者单位

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center oj Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Laboratory of Atmospheric Chemistry Paul Scherrer Institute 5232 Villigen Switzerland;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Institute for Atmospheric and Earth System Research/Physics Faculty of Science University of Helsinki 00014 Helsinki Finland;

    Institute jor Atmospheric and Earth System Research/Physics Faculty of Science University of Helsinki 00014 Helsinki Finland;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School oj Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory oj Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Institute for Atmospheric and Earth System Research/Physics Faculty of Science University of Helsinki 00014 Helsinki Finland;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Institute for Atmospheric and Earth System Research/Physics Faculty of Science University of Helsinki 00014 Helsinki Finland;

    Joint International Research Laboratory of Atmospheric and Earth System Sciences School of Atmospheric Sciences Nanjing University Nanjing 210023 China Jiangsu Provincial Collaborative Innovation Center of Climate Change Nanjing 210023 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sulfuric acid; proxy; budget analysis; primary emission; dry deposition;

    机译：硫酸;代理;预算分析;主要排放;干沉积;

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